import type { Kv, ScopeContext } from "../types.js";
export interface KvHarness {
    kv: Kv;
    /** Advance logical time by ms (in-memory: vi timers; stub-DDB: clock var). */
    advance?: (ms: number) => void | Promise<void>;
    /** A second (or third) `Kv` bound to an alternate scope context — for isolation tests. */
    makeScoped: (ctx: ScopeContext) => Promise<Kv>;
    cleanup?: () => void | Promise<void>;
}
export declare function runKvContractSuite(name: string, makeKv: () => Promise<KvHarness>): void;
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